<template>
  <div>
    用户列表
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>权限管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <el-card>
        <el-row :gutter="10">
        <!-- 搜索区 -->
            <!-- 搜索添加 -->
            <el-col :span="10">
            <el-input placeholder="请输入搜索内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
            </el-col>

            <!-- 搜索按钮 -->
            <el-col :span="4">
            <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col> 
        </el-row>
        <!-- 用户列表 border 边框 stripe 隔行变色-->
        <el-table :data="userList" border stripe="">
            <el-table-column type="index">
            <el-table-column label="用户名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="密码" prop="password"></el-table-column>
            <el-table-column label="角色" prop="role"></el-table-column>
            <el-table-column label="状态" prop="state">
                <!-- 作用域插槽 -->
                <template slot-scope="scope" >
                    <el-switch v-model="scope.row.state" @change="userStateChanged(scope.row)"></el-switch>
                </template>

            </el-table-column>

                
            <el-table-column label="操作">
                <template slot-scope="scope">

                <!-- 修改 -->
                <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                <!-- 删除 -->
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
                <!-- 权限 -->
                <el-tooltip effect="dark" content="分配权限" placement="top-start" :enterable="false">
                <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
                </el-tooltip>
                </template>
            </el-table-column>
            </el-table-column>
        </el-table>
        <div>
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pageNum"
                :page-sizes="[1, 2, 5, 100]"
                :page-size="queryInfo.pageSize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
        </div>
    </el-card>
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
            
            <!-- 用户名 -->
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <!-- 密码 -->
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <!-- 邮箱 -->
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
        </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
    </el-dialog>
    <!-- 修改对话框 -->
        <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
            
            <!-- 用户名 -->
            <el-form-item label="用户名" prop="username">
                <el-input v-model="editForm.username" disabled></el-input>
            </el-form-item>
            <!-- 密码 -->
            <el-form-item label="密码" prop="password">
                <el-input v-model="editForm.password"></el-input>
            </el-form-item>
            <!-- 邮箱 -->
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
        </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
    created(){
        this.getUserList();
    },
    data(){
        return{
            //查询信息实体
            queryInfo:{
                query:"",
                pageNum:1,
                pageSize:5,
            },
            userList:[],
            total:0,
            addDialogVisible: false,//对话框状态
            addForm:{
                username:'',
                password:'',
                email:''
            },
            //修改用户信息
            editForm:{},
            editDialogVisible:false,
            //添加表单验证
            // 验证规则
            addFormRules:{
                username:[
                { required: true, message: "请输入用户名", trigger: "blur" },
                { min: 5, max: 8, message: "长度在 5 到 8 个字符", trigger: "blur" }
                ],
                password:[
                { required: true, message: "请输入密码", trigger: "blur" },
                { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" }
                ],
                email:[
                { required: true, message: "请输入邮箱", trigger: "blur" },
                { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" }
                ],
            },
            //修改表单验证
            editFormRules:{
                password:[
                { required: true, message: "请输入密码", trigger: "blur" },
                { min: 6, max: 8, message: "长度在 6 到 8 个字符", trigger: "blur" }
                ],
                email:[
                { required: true, message: "请输入邮箱", trigger: "blur" },
                { min: 5, max: 15, message: "请输入正确邮箱地址", trigger: "blur" }
                ],
            },
        };
    },
    methods:{
        //获取所有用户
        async getUserList(){
            const {data:res} = await this.$http.get("alluser",{params:this.queryInfo});
            this.userList = res.data;
            this.total = res.numbers;
        },
        handleSizeChange(newSize){
            this.queryInfo.pageSize = newSize;
            this.getUserList();
        },
        handleCurrentChange(newPage){
            this.queryInfo.pageNum = newPage;
            this.getUserList();
        },
        async userStateChanged(userInfo){
            const {data:res} = await this.$http.put(`userstate?id=${userInfo.id}&state=${userInfo.state}`);
            if(res!="success"){
                userInfo.id = !userInfo.id;
                return this.$message.error("操作失败");

            }
            this.$message.success("操作成功");
        },
        addDialogClosed(){
            this.$refs.addFormRef.resetFields();
        },
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                if(!valid) return;
                const {data:res} = await this.$http.post("addUser",this.addForm);
                if(res!="success"){
                    return this.$message.error("操作失败");
                }
                this.$message.success("操作成功");
                this.addDialogVisible = false;
                this.getUserList();
            });
        },
        async deleteUser(id){
            const confirmResult = await this.$confirm("此操作将永久删除用户，是否继续？","提示",{
                confirmButtonText:'确定',
                cancelButtonText:'取消',
                type:'warning'
            }).catch(err => err)
            if(confirmResult!='confirm'){
                return this.$message.info("已取消删除");
            }
            const {data:res} = await this.$http.delete("deleteUser?id="+id);
            if(res !="success"){
                return this.$message.error("删除失败!");

            }
            this.$message.success("删除成功");
            this.getUserList();
        },

    // 展示修改框
    async showEditDialog(id){
       
        const {data:res} = await this.$http.get("getupdate?id="+id);
        // if (res != "success") {
        // userinfo.state = !userinfo.state;
        // return this.$message.error("操作失败！！！");
        // }
        // this.$message.success("操作成功！！！");

        this.editForm = res;
        this.editDialogVisible = true;
    },
    // 关闭窗口
    editDialogClosed(){
      this.$refs.editFormRef.resetFields();
    },
    // 确认修改
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid =>{
        if(!valid) return;
        // 发起请求
        const {data:res} = await this.$http.put("edituser",this.editForm);
         if (res != "success") return this.$message.error("操作失败！！！");
        this.$message.success("操作成功！！！");
        //隐藏
        this.editDialogVisible = false;
        this.getUserList();
      });
    },
    }
}
</script>
<style lang="less" scoped>
.el-breadcrumb{
    margin-bottom: 15px;
    font-size: 17px;
}
</style>